Alta Sierra Weather in December
Average highs run from 57°F on December 1 to 56°F on December 31, and lows from 29°F to 27°F. Normal precipitation for the month is 3.30 in over about 8 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 55°F
- Average low
- 27°F
- Precipitation
- 3.30 in
- Snowfall
- 1.2 in
- Record high
- 83°FDec 3, 1979
- Record low
- 19°FDec 23, 1990
- Chance of a freeze
- 100%
- Daylight
- 9 h 55 min to 9 h 47 min
- Cloud cover
- 49%
- Humidity
- 59%
- Dew point
- 29°F
- Wind
- 6.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 57°F | 29°F | 77°F 2021 | 27°F 2004 | 23% | 1% |
| Dec 2 | 57°F | 29°F | 77°F 1954 | 28°F 2004 | 23% | 1% |
| Dec 3 | 56°F | 28°F | 83°F 1979 | 28°F 2004 | 23% | 2% |
| Dec 4 | 56°F | 28°F | 82°F 1939 | 28°F 2004 | 24% | 2% |
| Dec 5 | 56°F | 28°F | 75°F 1958 | 29°F 1968 | 24% | 2% |
| Dec 6 | 56°F | 28°F | 80°F 2023 | 27°F 2013 | 24% | 2% |
| Dec 7 | 56°F | 28°F | 74°F 1979 | 28°F 1978 | 24% | 2% |
| Dec 8 | 55°F | 28°F | 81°F 2006 | 25°F 1978 | 24% | 2% |
| Dec 9 | 55°F | 28°F | 74°F 1939 | 26°F 1951 | 24% | 2% |
| Dec 10 | 55°F | 27°F | 76°F 1939 | 26°F 1951 | 25% | 2% |
| Dec 11 | 55°F | 27°F | 74°F 1939 | 27°F 1972 | 25% | 2% |
| Dec 12 | 55°F | 27°F | 72°F 1962 | 26°F 1972 | 25% | 2% |
| Dec 13 | 55°F | 27°F | 79°F 1998 | 26°F 1964 | 25% | 2% |
| Dec 14 | 55°F | 27°F | 80°F 1958 | 25°F 1967 | 26% | 2% |
| Dec 15 | 55°F | 27°F | 79°F 1958 | 26°F 1942 | 26% | 2% |
| Dec 16 | 55°F | 27°F | 77°F 1976 | 29°F 1942 | 26% | 2% |
| Dec 17 | 55°F | 27°F | 75°F 1977 | 26°F 1971 | 26% | 2% |
| Dec 18 | 55°F | 27°F | 75°F 1979 | 29°F 1965 | 26% | 2% |
| Dec 19 | 55°F | 27°F | 80°F 1981 | 25°F 1965 | 26% | 3% |
| Dec 20 | 55°F | 27°F | 76°F 1944 | 28°F 1946 | 26% | 3% |
| Dec 21 | 55°F | 27°F | 74°F 1955 | 25°F 1990 | 26% | 3% |
| Dec 22 | 55°F | 27°F | 76°F 2005 | 20°F 1990 | 26% | 3% |
| Dec 23 | 55°F | 27°F | 74°F 2025 | 19°F 1990 | 27% | 3% |
| Dec 24 | 55°F | 27°F | 75°F 1964 | 19°F 1990 | 27% | 3% |
| Dec 25 | 55°F | 27°F | 71°F 2013 | 22°F 1990 | 27% | 3% |
| Dec 26 | 55°F | 27°F | 71°F 1999 | 21°F 1962 | 27% | 3% |
| Dec 27 | 55°F | 27°F | 72°F 1991 | 24°F 1962 | 27% | 3% |
| Dec 28 | 55°F | 27°F | 73°F 1977 | 25°F 1962 | 27% | 3% |
| Dec 29 | 56°F | 27°F | 75°F 2023 | 26°F 1954 | 27% | 3% |
| Dec 30 | 56°F | 27°F | 71°F 1979 | 25°F 1990 | 27% | 3% |
| Dec 31 | 56°F | 27°F | 72°F 1979 | 25°F 1987 | 28% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 6:46 AM, sunset 4:41 PM
- December 31
- sunrise 7:04 AM, sunset 4:51 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00043463 (Glennville), public domain. Records: NOAA GHCN-Daily, station USW00023155, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.